Unifi.SwitchPoEPort.psm1

Function Connect-UnifiController{
    # Import Credentials
    $ucXML = "$($env:PSModulePath.split(';') | Select-Object -First 1)\uc.xml"
    if(Test-Path $ucXML){
        $credentials = Import-Clixml -Path $ucXML
    }
    else{
        $credentials = Get-Credential -Message 'Enter Unifi Controller credentials'
        $credentials | Export-Clixml -Path $ucXML
    }

    # Import Unifi URL
    $baseURIxml = "$($env:PSModulePath.split(';') | Select-Object -First 1)\Unifi-URL.xml"
    if($env:UnifiURI){
        # Variable already exists
    }
    elseif(Test-Path $baseURIxml){
        $env:UnifiURI = Import-Clixml $baseURIxml
    }
    else{
        $uri = Read-Host -Prompt "Please enter the Unifi URL (example: https://unifi.myserver.local:8443)"
        "$uri/api" | Export-Clixml $baseURIxml
        $env:UnifiURI = "$uri/api"
    }
    $loginURI = "$env:UnifiURI/login"

    [System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true}
    $AllProtocols = [System.Net.SecurityProtocolType]'Tls,Tls11,Tls12'
    [System.Net.ServicePointManager]::SecurityProtocol = $AllProtocols
    
    # Create JSON body
    $cred = "`{`"username`":`"$($credentials.UserName)`",`"password`":`"$($credentials.GetNetworkCredential().Password)`"`}"

    # Get Cookie
    Invoke-RestMethod -uri $loginURI -Method Post -Body $cred -ContentType "application/json" -SessionVariable Global:session | out-null
    
    # Cleanup credentials
    Remove-Variable credentials
    Remove-Variable cred
} 
Function Set-UnifiPoEPort {
    Param(
        [Parameter(Mandatory)]
        $port,

        [ValidateSet("off", "auto")]
        $poe_mode = 'auto',

        $switchMAC = $(Get-UnifiSwitchID)
    )
    # Connect to Unifi Controller
    Connect-UnifiController
    
    # Retreive current config
    [array]$data = (Invoke-RestMethod -Uri "$env:UnifiURI/s/default/stat/device/$switchMAC" -Method Post -Body "" -WebSession $Global:session).Data
    [array]$currentPO = $data.port_overrides
    if($currentPO.port_idx -contains $port){
        # Port is already set in config, change current value
        $currentPO | Where-Object port_idx -eq $port | ForEach-Object {
            $_.poe_mode = $poe_mode
        }
    }
    else{
        # Port is not yet listed, add it to the config
        $currentPO += [PSCustomObject]@{
            port_idx = $port
            poe_mode = $poe_mode
        }
    }
    # Prepare body
    $body = [PSCustomObject]@{
        port_overrides = $currentPO
    } | ConvertTo-Json -Depth 4
    
    # Send new config
    Invoke-RestMethod -Uri "$env:UnifiURI/s/default/rest/device/$($data.device_id)" -Method Put -Body $body -ContentType "application/json" -WebSession $Global:session -UseBasicParsing
}

function Get-UnifiSwitchID{
    # Connecto to Unifi Controller
    Connect-UnifiController

    # Get Unifi Switch(es) and select the first object
    return ((Invoke-RestMethod -Uri "$env:UnifiURI/s/default/stat/device/" -Method Post -Body "" -WebSession $Global:session).Data | Where-Object type -eq 'usw' | Select-Object -First 1).mac
}

Export-ModuleMember -Function Set-UnifiPoEPort
Export-ModuleMember -Function Get-SwitchID